CVE-2020-6807
critical
CVSS v3
—
CVSS v2
—
VIR risk
9.5
Description
When a device was changed while a stream was about to be destroyed, the <code>stream-reinit</code> task may have been executed after the stream was destroyed, causing a use-after-free and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.6, Firefox < 74, Firefox < ESR68.6, and Firefox ESR < 68.6.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2020-6807
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2020-6807.html
Vendor advisory: arch — https://security.archlinux.org/ASA-202003-8
Vendor advisory: arch — https://security.archlinux.org/ASA-202003-11
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 68.6.0-1 | |
| sles | affected | | |
| debian | sid | fixed | 74.0-1 |
| debian | bookworm | fixed | 68.6.0esr-1 |
| debian | bullseye | fixed | 68.6.0esr-1 |
| debian | forky | fixed | 68.6.0esr-1 |
| debian | trixie | fixed | 68.6.0esr-1 |
References
Verify integrity in audit chain (admin only). AS-IS.